CN102200884A - Handwriting data generating system and handwriting data generating method - Google Patents
Handwriting data generating system and handwriting data generating method Download PDFInfo
- Publication number
- CN102200884A CN102200884A CN2011100774511A CN201110077451A CN102200884A CN 102200884 A CN102200884 A CN 102200884A CN 2011100774511 A CN2011100774511 A CN 2011100774511A CN 201110077451 A CN201110077451 A CN 201110077451A CN 102200884 A CN102200884 A CN 102200884A
- Authority
- CN
- China
- Prior art keywords
- handwriting data
- handwriting
- signal
- input device
- display surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03545—Pens or stylus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
Abstract
The invention relates to a handwriting data generating system and a handwriting data generating method. A user who is in a handwriting input can easily obtain from handwriting change such as written characters, etc. a state of a handwriting input device (200) such as reduction of battery residual power. A handwriting data generating system (200) includes: a handwriting input device (200) that is used to handwrite information on a display surface on which an image is displayed; and a handwriting data generating device (50) that generates handwriting data for displaying the handwriting of the handwritten information on the display surface, the handwriting data generating system is characterized in that, the handwriting device (200) includes a signal transmitting unit (215, 216) that transmits a signal indicating at least one of a position and a condition of the handwriting device, and the handwriting data generating device (50) includes: a handwriting data generating unit (60) that generates the handwriting data; and a handwriting data changing unit (70) that changes the handwriting data so as to display the handwriting on the display surface in a different display format depending on details of the signal.
Description
Technical field
The present invention relates to handwriting data generation system and handwriting data generation method, relate in particular to the handwriting data generation system and the handwriting data generation method that can generate the handwriting data of person's handwriting by the handwriting data generating apparatus, this handwriting data is used to that display surface is presented at and is shown in carry out the information that handwriting input obtains by hand input devices such as electronic pens on the image of described display surface.
Background technology
In the past, generally use pen or marking pen etc. on blackboard, blank etc., physically to put down in writing literal, figure, but recently, known a kind of person's handwriting input system, it can detect in real time and use electronic pen etc. to carry out handwriting input and the person's handwriting of the literal that obtains etc. to the record surface that possesses testing agency, and makes on its screen that is presented at display device.(reference example such as patent document 1).
In addition, also known system as the SMART Board (registered trademark) of Japanese SMART TECHNOLOGYS company, it can use the liquid crystal projection apparatus that is connected with computing machine with literal, picture, figure, the image projection of chart is to panel, this state down will carry out handwriting input and the information that obtains reads computing machine to coordinate input/pick-up unit (writing face) the use special pens of the front of the projection surface (display surface) that is configured in panel etc., information and view data to handwriting input in computing machine are synthesized, and by liquid crystal projection apparatus projection surface are shown in real time.
Patent document 1: TOHKEMY 2008-139991 communique
Summary of the invention
Yet, 1 disclosed as patent documentation, detect in the system of the signal of wireless output from electronic pen in the record surface side, more situation is the surplus of the battery in being assembled in electronic pen when tailing off or dying down from the receiving intensity of the signal of electronic pen, just can not normally carry out writing of literal etc.Therefore, the known situation that will be in this state is notified to the user with warning tones, alert message, and the method that display part shows battery allowance, communication sensitivity etc. perhaps is set in electronic pen.
Yet, when the surplus of battery tails off or dies down from the receiving intensity of the signal of electronic pen, the warning tones or show alert message of just ringing, the user can't concentrate and carry out writing of literal etc.In addition, even in electronic pen, be provided with the display part that shows battery allowance etc., see that on one side user that record surface, data on hand write also has to interrupt writing to record surface when the displaying contents of affirmation display part.
To solve described problem is purpose, the invention provides a kind of handwriting data generation system, and it possesses: hand input device, and it is used for the display surface handwritten input information to display image; With the handwriting data generating apparatus, its generation is used to make described display surface to show the handwriting data of person's handwriting of the described information of handwriting input, described hand input device has signal transmission unit, at least one side's signal in the position of described this hand input device of signal transmission unit transmission expression and the state, described handwriting data generating apparatus has handwriting data generating unit and handwriting data changing unit, described handwriting data generating unit generates described handwriting data, described handwriting data changing unit changes described handwriting data, makes it with according to the content of described signal and the different display mode of described person's handwriting is presented on the described display surface.
According to such handwriting data generation system, just can be easily changing and knowing the state of hand input device such as tail off of the surplus of battery for example from the person's handwriting of the literal that writing etc. the user of handwriting input.
In addition, in described handwriting data generation system, preferably: described signal comprises the information of the surplus of the battery of representing that described hand input device possesses, described handwriting data changing unit changes described handwriting data, makes it with according to the surplus of described battery and the different display mode of described person's handwriting is presented on the described display surface.
Thus, just can change the situation that the surplus of the battery of easily knowing hand input device tails off from the person's handwriting of the literal that writing etc. the user of handwriting input.
In addition, in described handwriting data generation system, preferred: described handwriting data generating apparatus has the signal receiving part that receives described signal, and described handwriting data changing unit changes described handwriting data according to the accepting state of described signal.
Thus, just can change the situation that the receiving sensitivity of for example easily knowing the signal that sends from hand input device has reduced from the person's handwriting of the literal that writing etc. the user of handwriting input.
In addition, in described handwriting data generation system, preferred: described handwriting data changing unit changes described handwriting data, makes it with according to the content of described signal and the different concentration of described person's handwriting is presented on the described display surface.
Thus, just can be with the person's handwriting of literal of writing etc. by the state that clue is easily known hand input device that is changed to of light color demonstration etc. the user of handwriting input.
In addition, in described handwriting data generation system, preferred: described handwriting data changing unit changes described handwriting data, makes it with according to the content of described signal and the different lines kind of described person's handwriting is presented on the described display surface.
Thus, just can be with the person's handwriting of literal of writing etc. by the state that clue is easily known hand input device that is changed to of different types of line demonstrations such as dotted line etc. the user of handwriting input.
In addition, in described handwriting data generation system, preferred: the change that described handwriting data changing unit responds described handwriting data makes described display surface show the message corresponding with the content of described signal.
Thus, just also can be from being presented at the situation that message on the display surface knows that the battery allowance of hand input device for example tails off the user of handwriting input.
In addition, in described handwriting data generation system, preferably: described handwriting data generating apparatus also has the cancelling signal generating unit, described cancelling signal generating unit is exported to cancelling signal described handwriting data changing unit satisfying under the situation of predetermined conditions, described handwriting data changing unit response expression satisfied rated condition situation described cancelling signal input and described handwriting data is turned back to before changing state.
In addition, in described handwriting data generation system, preferred: described handwriting data generating apparatus also has the handwriting data storage part, and this handwriting data storage portion stores is by the described handwriting data before the described handwriting data changing unit change.
Thus, can change the used handwriting data of person's handwriting that display surface is shown for the user being warned etc., and because the handwriting data of storage is not carried out this change, so the person's handwriting of the literal of handwriting input etc. can be preserved as the data of former state.
In addition, in described handwriting data generation system, preferably: also possess projector, described projector will be based on the image projection of view data of input to projection surface, uses image projection that described projector obtains the described handwriting data that generated by overlapping described handwriting data generating unit and described view data to described projection surface.
Thus, the user can be on the image that projects on the screen, comes input characters, figure etc. by hand-written.
In addition, as alternate manner, the invention provides a kind of handwriting data generation method, it is characterized in that: be to generate to be used to make described display surface to show that display surface to display image uses hand input device to come the handwriting data generation method of handwriting data of person's handwriting of the information of handwriting input, change described handwriting data, make it with according to the state of described hand input device and the different display mode of described person's handwriting is presented on the described display surface.
Description of drawings
Fig. 1 is the summary construction diagram of the handwriting data generation system 10 of embodiments of the present invention.
Fig. 2 is the summary construction diagram of hand input device 200.
Fig. 3 is to use native system example of the treatment scheme of native system when hand-written input characters, figure etc. on the projection surface of screen.
Fig. 4 is to use native system example of the treatment scheme of native system when hand-written input characters, figure etc. on the projection surface of screen.
Fig. 5 is the figure of expression by hand input device 200 state of hand-written input characters on projection surface.
Fig. 6 is the figure of expression by hand input device 200 state of hand-written input characters on projection surface.
Fig. 7 is the figure of expression by hand input device 200 state of hand-written input characters on projection surface.
Fig. 8 is the figure of expression by hand input device 200 state of hand-written input characters on projection surface.
Fig. 9 is the figure of expression by hand input device 200 state of hand-written input characters on projection surface.
Figure 10 is the figure of expression by hand input device 200 state of hand-written input characters on projection surface.
Figure 11 is that the straight front view (FV) of going up porjection type projector 100 state of projects images on the projection surface of screen is used in expression.
Figure 12 is that the straight outboard profile of going up porjection type projector 100 state of projects images on the projection surface of screen is used in expression.
Description of reference numerals:
10 ... the handwriting data generation system, 50 ... personal computer (PC), 51 ... the PC Department of Communication Force, 52 ... the PC display part, 53 ... PC power source portion, 54 ... PCI/O bridge portion, 55 ... the PC hard disk, 56 ... the PC control part, 57 ... the PC storage part, 58 ... the PC operating portion, 59 ... PC operates acceptance division, 60 ... the handwriting data generating unit, 70 ... the handwriting data changing unit, 80 ... the cancelling signal generating unit, 100 ... projector, 110 ... lamp, 111 ... optic, 112 ... the liquid crystal panel drive division, 113 ... the lamp drive division, 114 ... power supply unit, 115 ... the operation acceptance division, 116 ... control part, 117 ... storage part, 118 ... image processing part, 119 ... Department of Communication Force, 120 ... I/O bridge portion, 150 ... projection unit, 160 ... infrared light detection portion, 170 ... ultrasound examination portion, 200 ... hand input device, 210 ... apparatus main body, 211 ... switch, 212 ... power supply unit, 213 ... the surplus testing circuit, 214 ... pressure-sensitive portion, 215 ... illuminating part, 216 ... the ultrasound wave efferent, 220 ... teat
Embodiment
Below, based on accompanying drawing an embodiment of the invention describing, related invention causes qualification but following embodiment is not to patent claims, and in addition, whole characteristics combination of embodiment are for the solution of inventing not necessarily.
Fig. 1 is the summary construction diagram of the handwriting data generation system 10 of embodiments of the present invention.The handwriting data generation system 10 of present embodiment is made of projector 100, hand input device 200 and personal computer (PC) 50 as shown in Figure 1.In addition, PC50 is an example of handwriting data generating apparatus among the present invention.
The liquid crystal light valve of 112 pairs of optic 111 of liquid crystal panel drive division provides from the picture signal of image processing part 118 inputs and driving voltage etc., mirrors projects images on liquid crystal light valve.
The operation signal that operation acceptance division 115 receives from telepilot 310 or PC50, the operation initiation command that will comprise this content of operation is sent to control part 116.
Department of Communication Force 119 for example is and the corresponding wireless network card of the known standard of WLAN arbitrarily, carries out the transmitting-receiving of various data between PC50 and following PC Department of Communication Force 51.
The corresponding card controller of PCMCIA (Personal Computer Memory Card International Association) of the wireless network card of Department of Communication Force 119 is carried and be used to control in I/O bridge portion 120.
Infrared light detection portion 160 has the photo-sensitive cell (components of photo-electric conversion) and the A/D translation circuit that can receive infrared light, receives from the infrared light of following illuminating part 215 outputs of hand input device 200.Specifically, infrared light detection portion 160 utilizes photo-sensitive cell to receive the infrared light of self-luminescent part 215, and it is transformed to simulating signal with its sensitization intensity correspondent voltage value, exports to the A/D translation circuit.And, in the A/D translation circuit, described simulating signal is transformed to the digital signal of H or L according to its magnitude of voltage, and with its output.In addition, infrared light detection portion 160 generates sensitization timing data and the output that expression receives the timing of described infrared light and do not receive the timing of described infrared light.
In addition, in this example, as described later, 215 of the illuminating parts of hand input device 200 just send infrared light by 200 pairs of projection surface handwriting inputs of hand input device literal etc. the time.In addition, illuminating part 215 comes pulsed illumination with the surplus correspondent frequency of the battery that possesses with hand input device 200 as described later.Thus, the data of the surplus of the battery that possessed of described sensitization timing data be expression by 200 pairs of projection surface handwriting inputs of hand input device literal etc. timing and hand input device 200.
And ultrasound examination portion 170 regularly comes from the timing difference from the reception timing that detects ultrasonic signal in each ultrasonic receiver the described digital signal of each A/D translation circuit according to each unit that reserves in advance in described signal processing circuit.At this, the test example of described timing difference is as being under the situation of signal with some cycles such as pulse signal or sine wave signal at each ultrasonic signal that utilizes 2 groups of ultrasonic receivers to receive, and is to obtain the phase differential of each signal and obtain by computing according to this phase differential by described signal processing circuit.
Next, the schematic configuration to PC50 describes.PC50 possesses PC Department of Communication Force 51, PC display part 52, PC power source portion 53, PCI/O bridge portion 54, PC hard disk 55, PC control part 56, PC storage part 57, PC operating portion 58, PC operation acceptance division 59, handwriting data generating unit 60, handwriting data changing unit 70 and cancelling signal generating unit 80.In addition, in order to distinguish with the title of each structure of projector 100, as mentioned above, the title of each structure of the PC50 beyond handwriting data generating unit 60, handwriting data changing unit 70 and the cancelling signal generating unit 80 is with " PC " printed words.In addition, PC hard disk 55 is examples of handwriting data storage part among the present invention.
Carry out the transmitting-receiving of various data between the Department of Communication Force 119 of PC Department of Communication Force 51 and projector 100.PC display part 52 is display device such as CRT or LCD, for example shows image that is presented at by projector 100 on the projection surface of screen etc.In addition, PC display part 52 also can show various instructions and icon etc.
PC power source portion 53 imports alternating current from external power source 320 from plug, will be by built-in AC/DC transformation component (all not shown) thus implemented transformation, rectification and processing stabilization such as level and smooth DC voltage offer each one of PC50.In addition, have at PC50 under the situation of portability such as notebook computer, PC power source portion 53 also can have rechargeable lithium ion battery etc.
PCI/O bridge portion 54 installs with the corresponding card controller of PCMCIA that is used to control PC Department of Communication Force 51 (wireless network card), be used to control the various device controller of the hard disk controller etc. of PC hard disk 55.
PC hard disk 55 for example is and the corresponding hard disk of IDE that storage is as the OS (Operating System) of basic software, the Control Software supervisor of projector 100.In addition, PC hard disk 55 can also be stored and be used for the programs of various commercial affairs such as web browser or document making, demonstration with softwares.
Handwriting data generating unit 60, is stored according to time sequencing from the described sensitization timing data of infrared light detection portion 160 outputs of projector 100 and described reception timing difference data and the signal level data of exporting from ultrasound examination portion 170 via 51 receptions of PC Department of Communication Force.And handwriting data generating unit 60 is read described each data of having stored successively, and determines that based on these each data the user uses 200 pairs of literal of hand input device, figure etc. to carry out the input position of handwriting input.In this example, handwriting data generating unit 60 by flash memory etc. can rewrite data non-volatile storer and calculation processing circuit etc. constitute.
More particularly, for example as shown in Figure 1, the user front end of hand input device 200 is carried out under the situation of handwriting input information such as literal, figures on by the projection surface that is pressed in screen, as mentioned above, the reception timing difference data, signal level data and the sensitization timing data that generate based on the infrared light that sends from hand input device 200, ultrasonic signal (below, these are referred to as " signal ") from 170 outputs of infrared light detection portion 160 and ultrasound examination portion.And handwriting data generating unit 60 is based on the described reception timing difference data in these data, calculates the distance from each ultrasonic receiver of ultrasound examination portion 170 to the front end of hand-written input media 200.
And handwriting data generating unit 60 is according to described sensitization timing data, with the front position of hand input device 200 as handwriting input position (mark " P " represented position among Fig. 1), thereby determine its coordinate.And handwriting data generating unit 60 generates the handwriting data that the lines that are used to make predefined thickness, color on the motion track of the described input position on the projection surface show.And the handwriting data that 60 pairs of projection data that provide to projector 100 from PC50 of handwriting data generating unit generate synthesizes.
Handwriting data changing unit 70 is based on described each data of the described signal content of expression, change the handwriting data that generates by handwriting data generating unit 60, so that the person's handwriting of the literal by hand input device 200 handwriting inputs, figure etc. projects on the projection surface with different display modes.At this, so-called " person's handwriting projects on the projection surface with different display modes " is meant the state that for example described person's handwriting throws with the quilts such as thickness, color or concentration different with setting.
For example, handwriting data changing unit 70 is according to representing that from the described sensitization timing data of infrared light detection portion 160 outputs the battery allowance of power supply unit 212 is lower than the situation of predetermined warning level, change handwriting data, make the person's handwriting utilize the literal that hand input device 200 imports to show than the person's handwriting of the literal of input before lines than weak color.In addition, the described signal level data that handwriting data changing unit 70 bases are exported from ultrasound examination portion 170 represents that the signal level based on the ultrasonic signal of ultrasound examination portion 170 is lower than the situation of predeterminated level (warning level), the receiving intensity that is ultrasonic signal is near situation that can detected threshold level, change handwriting data, make the person's handwriting utilize the literal that hand input device 200 imports to show with the different types of lines of person's handwriting of the literal of input before.
In addition, the change of handwriting data changing unit 70 response handwriting datas makes projection surface show the message corresponding with the content of described signal.For example, handwriting data changing unit 70 is represented to be lower than under the situation of predetermined level (warning level) based on the signal level of the ultrasonic signal of ultrasound examination portion 170 in described signal level data, the change projection data so that on projection surface the receiving intensity of projection ultrasonic signal near message that can detected threshold level.
Cancelling signal generating unit 80 is satisfying under the situation of predetermined conditions, to handwriting data changing unit 70 output cancelling signals.More particularly, cancelling signal generating unit 80 is obtained the change resume of handwriting data from handwriting data changing unit 70, for example, about change part, be used to return the cancelling signal of state before changing to 70 outputs of handwriting data changing unit at the handwriting data that has passed through predefined timing after changing.In addition, replace this mode, cancelling signal generating unit 80 with the front end of hand input device 200 on the projection surface in case touch person's handwriting till leaving as a unit, about the change part of the person's handwriting before the person's handwriting unit of the current literal of importing, be used to return the cancelling signal of state before changing to 70 outputs of handwriting data changing unit.Handwriting data changing unit 70 makes handwriting data generating unit 60 divide the handwriting data that generates the state before changing that returns according to its content about the changing unit of handwriting data when receiving cancelling signal.
In addition, in this example, the handwriting data that generates by handwriting data generating unit 60 is stored in the PC hard disk 55.At this, in PC hard disk 55, record be not by handwriting data changing unit 70 handwriting data after changing, but handwriting data before changing.Thus, can change the used handwriting data of person's handwriting that projection surface is shown for the user being warned etc., and the handwriting data to storage in PC hard disk 55 does not carry out this change, so the person's handwriting of the literal of handwriting input etc. can be preserved as the data of former state.In addition, the changed content of the handwriting data that also handwriting data changing unit 70 can be produced is stored in the PC hard disk 55 as independent data.
Next, the structure of the hand input device 200 that information such as projection surface handwriting input literal to the screen of projects images, figure are used is described.
Fig. 2 is the summary construction diagram of hand input device 200.Hand input device 200 for example is the portable electronic pen with blank marking pen same degree, as shown in Figure 2, has apparatus main body 210, from the outstanding teat 220 of apparatus main body 210.In addition, in apparatus main body 210, be provided with switch 211, power supply unit 212, surplus testing circuit 213, pressure-sensitive portion 214, illuminating part 215 and ultrasound wave efferent 216.In addition, illuminating part 215 and ultrasound wave efferent 216 are examples of signal transmission unit among the present invention.
The electric power that provides to each one of hand input device 200 from power supply unit 212 is provided for surplus testing circuit 213.More particularly, surplus testing circuit 213 has the voltage detecting circuit and the signal output apparatus of the output voltage that for example detects power supply unit 212, and the signal of representing the output voltage size of power supply unit 212 is exported to illuminating part 215 from signal output apparatus.
214 pairs of teats 220 of pressure-sensitive portion are pressed into apparatus main body 210 and detect.Pressure-sensitive portion 214 is made of for example piezoelectric element and voltage amplifier circuit etc., is pressed into apparatus main body 210 by teat 220, comes illuminating part 215 output signals.In addition, be used for the structure that teat 220 press-in device main bodys 210 detect is not limited to this example.For example, sensor also can be set replace pressure-sensitive portion 214, this sensor produces variation and detects to following teat 220 to be pressed into apparatus main body 210.
In this example, the control circuit that the electric power that provides by power supply unit 212 sends the light emitting diode of infrared light and the electric power that provides to this light emitting diode from power supply unit 212 is provided according to the signal that gives respectively from pressure-sensitive portion 214 and surplus testing circuit 213 is provided illuminating part 215.Specifically, described control circuit passes through from pressure-sensitive portion 214 received signals, and opening from the electric power of power supply unit 212 to described light emitting diode provides.
And based on the signal from surplus testing circuit 213, the electric power that control provides from power supply unit 212 is so that above-mentioned light emitting diode comes luminous with battery allowance (size of the output voltage of power supply unit 212) the correspondent frequency pulse with power supply unit 212.The infrared light that illuminating part 215 sends as mentioned above in infrared light detection portion 160 by sensitization.
In addition, in this example, the luminance that makes the infrared light that sends when teat 220 is pressed into apparatus main body 210 changes according to the surplus of battery, but the mode that sends battery allowance information is not limited to this.For example, also can come modulating according to the surplus of battery from the ultrasonic signal of ultrasound wave efferent 216, also can directly send battery allowance from surplus testing circuit 213 in addition, and in projector 100 or PC50, be provided with the test section of this signal with desirable aspects such as light, electromagnetic wave or infrared lights.
Like this, in hand input device 200, only under the situation of having pushed teat 220 on the projection surface, illuminating part 215 just sends infrared light, therefore by detecting infrared light, can easily detect the user and whether use hand input device 200 to carry out handwriting input to projection surface from hand input device 200.In addition, do not use hand input device 200 to carry out handwriting input, but for example point under the state of the specific part that is incident upon the image on the projection surface, only detect from the ultrasonic signal of ultrasound wave efferent 216 outputs the user.Thus, under this state,, similarly carry out determining of the indicated position coordinates of hand input device 200 in the time of also can be with handwriting input though in the handwriting data generating unit 60 of PC50, do not generate handwriting data.
Fig. 3 and Fig. 4 represent to use native system example of the treatment scheme of native system when hand-written input characters, figure etc. on the projection surface of screen.In this flow process, the projection surface projects images (step 100) of the 150 pairs of screens of projection unit by projector 100 at first, infrared light and the ultrasonic signal (step S105) from hand input device 200 detects in infrared light detection portion 160 by projector 100 and ultrasound examination portion 170.
And, when utilizing infrared light detection portion 160 and ultrasound examination portion 170 to receive infrared light and ultrasonic signal (step S105: in the time of "Yes") from hand input device 200, determine the handwriting input position (step S110) of hand input device 200 by the handwriting data generating unit 60 of PC50, generate the handwriting data (step S115) that the lines that are used to make predefined thickness, color on the motion track of this input position show.And the handwriting data that has generated synthesizes to the projection data that projector 100 provides from PC50 by 60 pairs of handwriting data generating units.In addition, all be not received, perhaps receive only (step S105: "No"), do not generate handwriting datas under the situation of ultrasonic signal by handwriting data generating unit 60 at infrared light and ultrasonic signal.
Next, according to based on from the signal (infrared light and ultrasonic signal) of hand input device 200 and from infrared light detection portion 160 and the sensitization timing data of ultrasound examination portion 170 outputs and the content of signal level data of projector 100, and the handwriting data that generates by handwriting data changing unit 70 causes change handwriting data generating unit 60 (step S120～S135).
Fig. 5-Figure 10 is that expression is by the figure of hand input device 200 to the state of projection surface handwriting input literal.As shown in Figure 5 and Figure 6, signal level data from ultrasound examination portion 170 is good (the step S120: data "Yes") of accepting state of expression ultrasonic signal, and be that (step S130: "Yes"), handwriting data changing unit 70 does not change the handwriting data that generates by handwriting data generating unit 60 under the data conditions of battery allowance abundance (more than the warning level) of expression hand input device 200 in sensitization timing data from infrared light detection portion 160.Thus, synthesize projection data to the handwriting data former state that handwriting data generating unit 60 generates, be projected onto (step S140) on the projection surface as person's handwriting.
On the other hand, in the signal level data from ultrasound examination portion 170 is to represent that the signal level of ultrasonic signal is lower than situation (the step S120: "No") of warning level, change the handwriting data that handwriting data generating unit 60 generates by handwriting data changing unit 70, so that utilize the person's handwriting of the literal that hand input device 200 imports to be shown (step S125) by dotted line.In addition, change projection data by handwriting data changing unit 70 this moment, and the receiving intensity of ultrasonic signal is projected on the projection surface near message that can detected threshold level.
Further, representing that from the sensitization timing data of infrared light detection portion 160 battery allowance of power supply unit 212 is lower than the situation of warning level (step S130: "No"), the handwriting data (step S135) that generates by handwriting data generating unit 60 by handwriting data changing unit 70 change so that the person's handwriting that utilizes the literal that hand input device 200 imports with than grey etc. more weak color show.In addition, change projection data by handwriting data changing unit 70 this moment, and the message that the battery allowance of power supply unit 212 is lower than the warning level projects on the projection surface.
And handwriting data is after changing synthesized projection data (step S140) by handwriting data generating unit 60.Thus, signal level at the ultrasonic signal that utilizes ultrasound examination portion 170 to receive is lower than under the situation of warning level, promptly between hand input device 200 and projector 100, produce certain communication barrier, perhaps the distance of projector 100 and hand input device 200 be reduced to ultrasonic signal from ultrasound wave efferent 216 utilize ultrasound examination portion 170 can the situation of detected level under, as shown in Figure 7, utilize the person's handwriting of the literal that hand input device 200 imports to be shown, and the alert message of " the detection level deficiency of remote controller signal " is projected onto on the projection surface by dotted line.In addition, battery allowance at power supply unit 212 is lower than under the situation of warning level, as shown in Figure 8, utilize the person's handwriting of the literal that hand input device 200 imports to be shown as, and the alert message of " battery allowance deficiency " is projected onto on the projection surface than weak color more before.
In addition, signal level at the ultrasonic signal that utilizes ultrasound examination portion 170 to receive is lower than the warning level, and the battery allowance of power supply unit 212 is lower than under the situation of warning level, though omitted diagram, the person's handwriting of the literal of importing by hand input device 200 is shown by dotted line and light color.In addition, this moment, two kinds of above-mentioned alert messages were projected onto on the projection surface.In addition, be lower than under the situation of warning level, also can wait the alert message that replaces in this example to the figure and the numeral of projection surface upslide representation by arrows signal receiving strength in the signal level of the ultrasonic signal that utilizes ultrasound examination portion 170 to receive.
And, based on by the handwriting data of handwriting data changing unit 70 change, the person's handwriting that utilizes the literal that hand input device 200 imports is by under the state of dotted line and light color projection, cancelling signal generating unit 80 for example is set at " whenever new hand-written one amount; the just change of the handwriting data of cancellation hand-written part up to the present " under the situation of condition, as Fig. 9 and shown in Figure 10, when beginning a hand-written new (step S145: in the time of "Yes") from Fig. 7 and state shown in Figure 8, by being turned back to before changing state (step S150) by the handwriting data of the part of dotted line and light color projection at that time, by and the synthetic back projection of projection data (step S155).In addition, by handwriting data changing unit 70 change projection data, the feasible state that returns before changing with handwriting data is deleted alert message.Therefore, alert message is difficult to handwriting input is counteracted.
In addition, begin up to a new amount of drawing by hand-written fully (step S145) from Fig. 7 and state shown in Figure 8, though the change part is not returned original state, but under the timing of above-mentioned cancellation condition was set to after changing situation, handwriting data can return state before changing successively in effluxion.Through above-mentioned steps, process ends.
As mentioned above, according to the handwriting data generation system 10 of present embodiment, use hand input device 200 that the user of handwriting inputs such as literal, figure on projection surface can easily be known the state of hand input device 200 such as tail off of battery allowance for example from the variation of the person's handwriting of the literal that writing etc.In addition, the user also can know that hand input device 200 has become this state by the information that is projected onto on the projection surface.
In addition, in this example, illustration the ultrasonic signal that sends from the infrared light of illuminating part 215 output with from ultrasound wave efferent 216 example as the signal of the position of expression hand input device 200 and state, but the content of this signal indication is not limited to this.For example, also can send the signal of the information such as inner setting that comprise hand input device 200 etc. from hand input device 200.In addition, the kind of the signal that sends from hand input device 200 also is not limited to infrared light and the ultrasonic signal this example, also can be the electric wave signal of short-range communication with frequency band (for example 2.4GHz band).In addition, the change result about based on the handwriting data of handwriting data changing unit 70 also is not limited to showing with light color by a dotted line shown in this example.For example, also can change handwriting data according to the line weight of the change object part that changes the conversion person's handwriting or the mode that this partly flickering is shown.
In addition, in this example,, determine that still the mode of this position and state is not limited to this example by receiving position and the state of determining hand input device 200 from the infrared light and the ultrasonic signal of hand input device 200.For example, also can be on screen, to print or show that the mark of expression positional information or bar code etc., hand input device 200 are taken by video camera or the sensing by sensor detects and reads this mark or bar code to obtain positional information.In addition, in this case, hand input device 200 also can be wirelessly sent to projector 100 or PC50 in every way with comprising the positional information of self and the information of battery allowance etc.
In addition, the mode of determining the front position of hand input device 200 is not limited to this example.As other example, for example also can be GPS mode, optical mode, electromagnetic guide mode etc.In addition, under the situation of these modes, also the arithmetic processing circuit that calculates self-position information based on various detection data can be set in hand input device 200.In addition, have in screen side under the situation of structure of the front position that detects hand input device 200, need not in hand input device 200, to be provided with as the structure of this routine output ultrasonic wave signal, as long as have the structure of exporting infrared light.
In addition, in the present embodiment, as projector 100, illustration to from just towards the mode of the projection surface projects images light of screen, but projector 100 also can be Figure 11 and shown in Figure 12 for example, be arranged on screen top, from this top to porjection type projector on projection surface projects images light straight.Like this, by top projects images light, can make the demonstrator who stands in before the screen be difficult to produce dazzling sense from screen.
In addition, in the present embodiment, illustration contain by as the liquid crystal light valve of modulating sections handwriting data generation system 10 the liquid crystal 3 board-like projector 100 of modulating the back projection from the light of light source, but handwriting data generation system of the present invention also can use the projector that adopts alternate manner.More particularly, also can use the mode of delivery of having utilized DMD (Digital Micromirror Device), promptly adopt the projector of DLP (Digital Light Processing) (registered trademark) mode.At this, the DLP mode is that the light with white utilizes lens light gathering to be radiated on the DMD, the light when each catoptron that utilizes other lens to be amplified in DMD is in the tendency opening, and project mode on the screen.In addition, in the present embodiment, illustration comprise the handwriting data generation system 10 that uses the projector 100 that discharge lamp throws as light source, but also can use the projector that led light source, LASER Light Source etc. are throwed as light source etc.
In addition, in the present embodiment, illustration the signal that receives from hand input device 200 of infrared light detection portion 160 by projector 100 and ultrasound examination portion 170, utilize the handwriting data generating unit 60 of PC50 to determine to make it be reflected in mode on the person's handwriting at the input position on the projection surface or indicating positions, but handwriting data generation system 10 of the present invention is not limited to this mode by hand input device 200.As other example, for example also can use screen to replace by projector 100 with the mode of image projection on screen with image display function, in this case, owing to do not need projector 100, so infrared light detection portion 160 and the ultrasound examination portion 170 that is arranged in the above-described embodiment in the projector 100 can be set in PC50 yet.In addition, replace this mode, also can infrared light detection portion 160 and ultrasound examination portion 170 be set, and send the signal that utilizes these modes to receive to PC50 by wired or wireless mode at the place ahead or the periphery of screen.
In addition, as another other example, projector 100 also can have each function of PC50.Promptly, for example also can in projector 100, be provided with the display part that is equivalent to PC display part 52, and storing image data in storage part 117, in addition, in this case, the guidance panel that is provided with in the main body of projector 100 (not shown) also can have and PC operating portion 58 corresponding functions.
More than, use embodiment to describe the present invention, but technical scope of the present invention is not limited to the scope that above-mentioned embodiment is put down in writing.Can add various changes in the above-described embodiment and improve this is conspicuous to those skilled in the art.
Claims (15)
1. a handwriting data generation system is characterized in that,
Possess:
Hand input device, it is used for handwritten input information on the display surface of display image; With
Handwriting data generating apparatus, its generation are used to make described display surface to show the handwriting data of person's handwriting of the described information of handwriting input,
Described hand input device has signal transmission unit, and described signal transmission unit sends the position of this hand input device of expression and the signal of at least one side in the state,
Described handwriting data generating apparatus has handwriting data generating unit and handwriting data changing unit,
Described handwriting data generating unit generates described handwriting data,
Described handwriting data changing unit changes described handwriting data, makes it with according to the content of described signal and the different display mode of described person's handwriting is presented on the described display surface.
2. handwriting data generation system according to claim 1 is characterized in that:
Described hand input device possesses battery,
Described signal comprises the information of the surplus that shows described battery,
Described handwriting data changing unit changes described handwriting data, makes it with according to the surplus of described battery and the different display mode of described person's handwriting is presented on the described display surface.
3. according to any described handwriting data generation system in claim 1 or 2, it is characterized in that:
Described handwriting data generating apparatus has the signal receiving part that receives described signal,
Described handwriting data changing unit changes described handwriting data according to the accepting state of the described signal that receives.
4. handwriting data generation system according to claim 1 is characterized in that:
Described handwriting data changing unit changes described handwriting data, makes it with according to the content of described signal and the different concentration of described person's handwriting is presented on the described display surface.
5. handwriting data generation system according to claim 1 is characterized in that:
Described handwriting data changing unit changes described handwriting data, makes it with according to the content of described signal and the different lines kind of described person's handwriting is presented on the described display surface.
6. handwriting data generation system according to claim 1 is characterized in that:
The change that described handwriting data changing unit responds described handwriting data makes described display surface show the information corresponding with the content of described signal.
7. handwriting data generation system according to claim 1 is characterized in that:
Described handwriting data generating apparatus also has the cancelling signal generating unit, and described cancelling signal generating unit is exported to cancelling signal described handwriting data changing unit satisfying under the situation of predetermined conditions,
Described handwriting data changing unit responds the input of described cancelling signal and described handwriting data is turned back to before changing state.
8. person's handwriting generation system is characterized in that:
Also possess projector, described projector will be based on the image projection of view data of input to projection surface,
Use image projection that described projector obtains the described handwriting data that generated by overlapping described handwriting data generating unit and described view data to described projection surface.
9. handwriting data generation method is characterized in that:
Use hand input device to come the handwriting data of person's handwriting of the information of handwriting input on the display surface that generation is used to make described display surface be presented at display image,
Change described handwriting data, make it with according to the state of described hand input device and the different display mode of described person's handwriting is presented on the described display surface.
10. handwriting data generation method according to claim 9 is characterized in that:
Described signal comprises the balance information of representing the described battery that described hand input device had,
Change described handwriting data, make it with according to the surplus of described battery and the different display mode of described person's handwriting is presented on the described display surface.
11. handwriting data generation method according to claim 9 is characterized in that:
Receive described signal,
Accepting state according to the described signal that receives changes described handwriting data.
12. handwriting data generation method according to claim 9 is characterized in that:
Change described handwriting data, make it with according to the content of described signal and the different concentration of described person's handwriting is presented on the described display surface.
13. handwriting data generation method according to claim 9 is characterized in that:
Change described handwriting data, make it with according to the content of described signal and the different lines kind of described person's handwriting is presented on the described display surface.
14. handwriting data generation method according to claim 9 is characterized in that:
The change that responds described handwriting data is presented on the described display surface information corresponding with the content of described signal.
15. handwriting data generation method according to claim 9 is characterized in that:
Satisfying under the situation of predetermined conditions, the output cancelling signal,
The input that responds described cancelling signal makes described handwriting data turn back to before changing state.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010073272A JP5533127B2 (en) | 2010-03-26 | 2010-03-26 | Handwriting data generation system, handwriting data generation method, and program |
| JP2010-073272 | 2010-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102200884A true CN102200884A (en) | 2011-09-28 |
Family
ID=44655828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100774511A Pending CN102200884A (en) | 2010-03-26 | 2011-03-24 | Handwriting data generating system and handwriting data generating method |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8872805B2 (en) |
| JP (1) | JP5533127B2 (en) |
| KR (1) | KR101336000B1 (en) |
| CN (1) | CN102200884A (en) |
| TW (1) | TW201205448A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103309518A (en) * | 2012-03-12 | 2013-09-18 | 台达电子工业股份有限公司 | Interactive whiteboard system and whiteboard writing instrument thereof |
| CN103677583A (en) * | 2012-09-19 | 2014-03-26 | 联想(北京)有限公司 | Prompt method and electronic device |
| CN106778720A (en) * | 2016-11-23 | 2017-05-31 | 武汉工程大学 | A kind of system and method rebuild to hand-written digitized process record and electronization |
| CN109062491A (en) * | 2018-07-23 | 2018-12-21 | 广州视源电子科技股份有限公司 | The handwriting processing method and device of interactive intelligence equipment |
| CN110007820A (en) * | 2019-03-15 | 2019-07-12 | 北京科加触控技术有限公司 | A kind of electric quantity display method and device |
| CN111045536A (en) * | 2018-10-15 | 2020-04-21 | 夏普株式会社 | Touch input system |
| CN111881904A (en) * | 2020-07-31 | 2020-11-03 | 城云科技（中国）有限公司 | Blackboard writing recording method and system |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201317839A (en) * | 2011-10-25 | 2013-05-01 | Au Optronics Corp | Stylus, touch sensitive display system and touch sensitive display method |
| US10725563B2 (en) * | 2011-10-28 | 2020-07-28 | Wacom Co., Ltd. | Data transfer from active stylus to configure a device or application |
| TWI456513B (en) * | 2012-03-15 | 2014-10-11 | Life Technology China Co Ltd | Trajectory tracing system and trajectory tracing method |
| CN102866856B (en) * | 2012-09-05 | 2015-01-07 | 鸿富锦精密工业（深圳）有限公司 | Method and device for processing hand-writing input handwritings |
| KR20140047887A (en) * | 2012-10-15 | 2014-04-23 | 삼성전자주식회사 | Apparatas and method for switching a mode of performing a memo function in an electronic device |
| JP6167511B2 (en) * | 2012-12-04 | 2017-07-26 | セイコーエプソン株式会社 | Document camera and document camera control method |
| JP6014170B2 (en) * | 2013-01-04 | 2016-10-25 | 株式会社Ｕｅｉ | Information processing apparatus and information update program |
| JP5757966B2 (en) * | 2013-01-31 | 2015-08-05 | シャープ株式会社 | I / O device |
| JP2014174666A (en) * | 2013-03-07 | 2014-09-22 | Ricoh Co Ltd | Image processing system and image processing apparatus |
| US9891722B2 (en) * | 2013-03-11 | 2018-02-13 | Barnes & Noble College Booksellers, Llc | Stylus-based notification system |
| EP2778834A1 (en) * | 2013-03-15 | 2014-09-17 | BlackBerry Limited | Active stylus low energy indication on a touch-sensitive display device |
| US20140267186A1 (en) * | 2013-03-15 | 2014-09-18 | Research In Motion Limited | Active stylus low energy indication on a touch-sensitive display device |
| CN103268161B (en) * | 2013-05-31 | 2016-10-05 | 深圳市理邦精密仪器股份有限公司 | Trace ball, data transmission method for uplink and device for armarium |
| JP5984279B2 (en) * | 2013-09-27 | 2016-09-06 | 株式会社ワコム | Position detecting device and position indicator thereof |
| JP2015102896A (en) * | 2013-11-21 | 2015-06-04 | 株式会社リコー | Display control device, display control system, and image processing program |
| JP6256097B2 (en) * | 2014-02-26 | 2018-01-10 | セイコーエプソン株式会社 | Electronic terminal device, pen device, electronic terminal system, and information transmission method |
| TWI552022B (en) * | 2014-08-15 | 2016-10-01 | Ajita Internat Technology Co Ltd | Position signal transmitter (2) |
| CN105700805B (en) * | 2016-01-08 | 2019-01-01 | 小天才科技有限公司 | Handwriting display methods, handwriting display device and mobile terminal |
| JP6690272B2 (en) * | 2016-02-05 | 2020-04-28 | セイコーエプソン株式会社 | Position detection system, self-luminous indicator, and unique information acquisition method |
| US10444866B2 (en) * | 2016-11-14 | 2019-10-15 | Microsoft Technology Licensing, Llc | Force sensor for a stylus |
| CN114690853B (en) * | 2021-04-22 | 2023-11-21 | 广州创知科技有限公司 | Interaction method and interaction panel |
| JPWO2022230753A1 (en) * | 2021-04-30 | 2022-11-03 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1230712A (en) * | 1998-04-02 | 1999-10-06 | 钱跃良 | Interactive hand writing input device |
| CN1356623A (en) * | 2001-12-12 | 2002-07-03 | 北京中文之星数码科技有限公司 | Handwriting input method and device |
| US20040141647A1 (en) * | 2003-01-16 | 2004-07-22 | Renesas Technology Corp. | Information recognition device operating with low power consumption |
| CN101421690A (en) * | 2006-04-17 | 2009-04-29 | 京瓷株式会社 | Touch panel control device, picture-drawing device, display function-equipped coordinate input device, and touch position acquisition device |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03171321A (en) * | 1989-11-30 | 1991-07-24 | Hitachi Ltd | Input/output device |
| US5478976A (en) * | 1992-08-31 | 1995-12-26 | Canon Kabushiki Kaisha | Information processing method and apparatus |
| JPH06110598A (en) * | 1992-09-30 | 1994-04-22 | Toshiba Corp | Coordinate detector |
| US5453762A (en) * | 1993-01-20 | 1995-09-26 | Hitachi, Ltd. | Systems for processing information and identifying individual |
| JPH06222879A (en) * | 1993-01-27 | 1994-08-12 | Matsushita Electric Ind Co Ltd | Method and device for displaying handwriting |
| JPH07182090A (en) * | 1993-12-24 | 1995-07-21 | Canon Inc | Information processor |
| JPH07325658A (en) | 1994-06-01 | 1995-12-12 | Mitsubishi Electric Corp | Pen stroke detecting device and pen input data processor |
| JPH08234873A (en) * | 1995-02-24 | 1996-09-13 | Matsushita Electric Ind Co Ltd | Power supply voltage drop reporting method |
| JPH08286808A (en) * | 1995-04-18 | 1996-11-01 | Canon Inc | Locus input/output electronic device and its display control method |
| JPH08314618A (en) * | 1995-05-23 | 1996-11-29 | Canon Inc | Track input/output device with electric power rest indicating function |
| JPH09101852A (en) * | 1995-10-03 | 1997-04-15 | Brother Ind Ltd | Input equipment |
| JPH09212285A (en) * | 1996-02-06 | 1997-08-15 | Sharp Corp | Handwriting input device |
| JP3865681B2 (en) * | 2002-10-18 | 2007-01-10 | 株式会社 ワコムアイティ | Brush writing device, brush writing program, and brush writing method |
| US7466040B2 (en) * | 2005-04-19 | 2008-12-16 | Frederick Johannes Bruwer | Touch sensor controlled switch with intelligent user interface |
| JP4502896B2 (en) * | 2005-07-15 | 2010-07-14 | Ｎｅｃディスプレイソリューションズ株式会社 | Projection display |
| JP2007102800A (en) | 2006-11-01 | 2007-04-19 | Matsushita Electric Ind Co Ltd | Message system |
| JP5205746B2 (en) | 2006-11-30 | 2013-06-05 | ぺんてる株式会社 | Handwriting input system |
| JP5464786B2 (en) * | 2006-12-21 | 2014-04-09 | キヤノン株式会社 | Information processing apparatus, control method, and control program |
| JP5240653B2 (en) * | 2008-05-14 | 2013-07-17 | 大日本印刷株式会社 | Electronic pen system, terminal device and program thereof |
| TW201039113A (en) * | 2009-04-29 | 2010-11-01 | Prime View Int Co Ltd | Digital electronic apparatus |
-
2010
- 2010-03-26 JP JP2010073272A patent/JP5533127B2/en not_active Expired - Fee Related
-
2011
- 2011-03-11 US US13/046,102 patent/US8872805B2/en active Active
- 2011-03-23 TW TW100109999A patent/TW201205448A/en unknown
- 2011-03-24 KR KR1020110026196A patent/KR101336000B1/en active IP Right Grant
- 2011-03-24 CN CN2011100774511A patent/CN102200884A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1230712A (en) * | 1998-04-02 | 1999-10-06 | 钱跃良 | Interactive hand writing input device |
| CN1356623A (en) * | 2001-12-12 | 2002-07-03 | 北京中文之星数码科技有限公司 | Handwriting input method and device |
| US20040141647A1 (en) * | 2003-01-16 | 2004-07-22 | Renesas Technology Corp. | Information recognition device operating with low power consumption |
| CN101421690A (en) * | 2006-04-17 | 2009-04-29 | 京瓷株式会社 | Touch panel control device, picture-drawing device, display function-equipped coordinate input device, and touch position acquisition device |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103309518A (en) * | 2012-03-12 | 2013-09-18 | 台达电子工业股份有限公司 | Interactive whiteboard system and whiteboard writing instrument thereof |
| US9195324B2 (en) | 2012-03-12 | 2015-11-24 | Delta Electronics, Inc. | Interactive whiteboard system and whiteboard writing instrument thereof |
| CN103309518B (en) * | 2012-03-12 | 2016-10-05 | 台达电子工业股份有限公司 | Interactive whiteboard system and whiteboard writing instrument thereof |
| CN103677583A (en) * | 2012-09-19 | 2014-03-26 | 联想(北京)有限公司 | Prompt method and electronic device |
| CN106778720A (en) * | 2016-11-23 | 2017-05-31 | 武汉工程大学 | A kind of system and method rebuild to hand-written digitized process record and electronization |
| CN106778720B (en) * | 2016-11-23 | 2020-05-22 | 武汉工程大学 | System and method for digitally recording and electronically reconstructing handwriting process |
| CN109062491A (en) * | 2018-07-23 | 2018-12-21 | 广州视源电子科技股份有限公司 | The handwriting processing method and device of interactive intelligence equipment |
| CN111045536A (en) * | 2018-10-15 | 2020-04-21 | 夏普株式会社 | Touch input system |
| CN111045536B (en) * | 2018-10-15 | 2023-07-14 | 夏普株式会社 | Touch input system |
| CN110007820A (en) * | 2019-03-15 | 2019-07-12 | 北京科加触控技术有限公司 | A kind of electric quantity display method and device |
| CN111881904A (en) * | 2020-07-31 | 2020-11-03 | 城云科技（中国）有限公司 | Blackboard writing recording method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101336000B1 (en) | 2013-12-03 |
| JP2011204173A (en) | 2011-10-13 |
| KR20110108283A (en) | 2011-10-05 |
| JP5533127B2 (en) | 2014-06-25 |
| TW201205448A (en) | 2012-02-01 |
| US8872805B2 (en) | 2014-10-28 |
| US20110234549A1 (en) | 2011-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102200884A (en) | Handwriting data generating system and handwriting data generating method | |
| CN1333328C (en) | Display device having optical input function | |
| CN104997246A (en) | Intelligent wristband with navigation indicating function | |
| US20110102599A1 (en) | Mobile terminal including projector and control method thereof | |
| KR20170122259A (en) | Interactive projector, interactive projection system, and method for controlling interactive projector | |
| CN102194136A (en) | Information recognition system and its control method | |
| CN101896867A (en) | Apparatus and method for tracking a light pointer | |
| CN101135949A (en) | Imaging and display apparatus, information input apparatus, object detection medium, and object detection method | |
| JP6477130B2 (en) | Interactive projector and interactive projection system | |
| JP2016186674A (en) | Interactive projector and interactive projection system | |
| CN102375564A (en) | Method for interacting by adopting optical indicator, optical indicator as well as presentation method and system | |
| CN109814770B (en) | Cursor positioning method, interactive projection device and education system | |
| CN107407995B (en) | Interactive projector, interactive projection system, and control method for interactive projector | |
| CN105468139A (en) | Position detection device, projector, and position detection method | |
| JP6459706B2 (en) | Interactive projector and interactive projection system | |
| JP6503828B2 (en) | Interactive projection system, pointer, and control method of interactive projection system | |
| JP2011204059A (en) | Information input system and information input apparatus | |
| US9544561B2 (en) | Interactive projector and interactive projection system | |
| US20080170032A1 (en) | Device and system for presenting information | |
| US20110244442A1 (en) | Video whiteboard apparatus and method | |
| CN103677227A (en) | Interactive projection system, indication device thereof and control method thereof | |
| CN212846145U (en) | VR office equipment | |
| US20160282958A1 (en) | Interactive projector and method of controlling interactive projector | |
| US20230161164A1 (en) | Information processing apparatus, information processing method, head mounted display housing, and head mounted display system | |
| CN117687523A (en) | Method and device for solving problem that laser pen cannot be projected on display screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110928 |